using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using CLre_server.API.Engines;
using Game.DataLoader;
using GameServer;
using HarmonyLib;
using Svelto.Context;
using Svelto.DataStructures;
using Svelto.ECS;
using User.Server;

namespace CLre_server.API.MainServer
{
    class ServerReadyEngine : ServerEnginePostBuild, IWaitForFrameworkInitialization, IWaitForFrameworkDestruction
    {
        internal static event EventHandler<StartedEventArgs> serverEngineReady;
        
        internal static event EventHandler<StartedEventArgs> serverFrameworkReady;
        
        internal static event EventHandler<StopEventArgs> serverFrameworkDestroyed;
        
        public override void Ready()
        {
            GameServerSettings gss = Server.Instance.GameServerSettings;
            if (serverEngineReady != null) serverEngineReady(this, new StartedEventArgs
            {
                photonVersion = PhotonNetwork.gameVersion,
                photonRegion = PhotonNetwork.CloudRegion,
                gameGuid = gss == null ? "" : gss.GetGameGuid(),
                worldName = gss == null ? "" : gss.GetWorldName(),
            });
        }

        public void OnFrameworkInitialized()
        {
            GameServerSettings gss = Server.Instance.GameServerSettings;
            if (serverFrameworkReady != null) serverFrameworkReady(this, new StartedEventArgs
            {
                photonVersion = PhotonNetwork.gameVersion,
                photonRegion = PhotonNetwork.CloudRegion,
                gameGuid = gss == null ? "" : gss.GetGameGuid(),
                worldName = gss == null ? "" : gss.GetWorldName(),
            });
        }

        public void OnFrameworkDestroyed()
        {
            if (serverFrameworkDestroyed != null) serverFrameworkDestroyed(this, new StopEventArgs{});
        }
    }

    class ServerDatabaseQueryEngine : ServerEnginePostBuild
    {
        public override void Ready()
        {
        }

        public AccountIdServerNode[] GetConnectedAccounts()
        {
            FieldInfo f = AccessTools.Field(AccessTools.TypeByName("User.Server.AccountExclusiveGroups"), "accountGroup");
            ExclusiveGroup accountGroup = (ExclusiveGroup) f.GetValue(null);
            ReadOnlyCollectionStruct<AccountIdServerNode> accounts =
                entitiesDB.QueryEntityViews<AccountIdServerNode>(accountGroup);
            List<AccountIdServerNode> list = new List<AccountIdServerNode>();
            foreach (var a in accounts)
            {
                list.Add(a);
            }
            return list.ToArray();
        }
    }
}